灾害应急远程协同会商系统的设计与集成
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摘要
传统的电视电话会议,由于空间地域差异或者专业知识的限制,使信息沟通不完整,表述复杂,给会商参与者造成沟通交流障碍。在此基础上,增加分布式地理信息系统,可以使异地参会者实时协作完成各类专题地图制作,增强参会者对会商内容的快速理解,沟通更加便捷,提高会商质量。本文提出灾害应急会商中会议发起人——参会者模式的地图协同标绘应用,研究了会商期间的标绘消息网络推送,实现异地用户对图形标绘信息的远程同步感知,设计了协同编辑指定图元的并发控制流程,分析图元标绘并发操作时的冲突可能性,并提出系统自动裁决、用户协商、权威仲裁的避免冲突策略。文章以玉树地震为应用实例,讲述了民政部利用本系统将远程专家会商结果绘制了物资调配态势图,实现了辅助决策。
Because of the regional differences in space and the limitation of professional knowledge,the communication of information is incomplete and the statements are complex only by the traditional video conferencing,which cause the communication barrier among the remote participants.Adding distributed GIS may make the remote participants coordinately complete the real-time production of various types of thematic maps,which can enhance the understanding of the consultation content,make communication more convenient,and improve the quality of consultation.This article analyzes the application requirements of map collaborative plotting in consultation after a disaster or in urgent conditions,proposes the map collaborative plotting application of conference sponsor—participants mode,introduces the general framework of system integration and functional designing,achieves remote synchronous perception of graphic plotting information,designs the concurrent controlling process of cooperative editing the specified map object.This paper also analyzes the possibility of concurrent operation of the map elements plotting and deleting,attributes editing,the element's location modifying,and proposes the strategy of the system automatically awards,user consultation and authority of the arbitration to avoid conflict.The application of the system is described by taking Yushu Earthquake as an example.According to consultations of the remote experts,Ministry of Civil Affairs uses map collaborative plotting tools to draw the situation map of material scheduling,which achieves decision support.
Because of the regional differences in space and the limitation of professional knowledge,the communication of information is incomplete and the statements are complex only by the traditional video conferencing,which cause the communication barrier among the remote participants.Adding distributed GIS may make the remote participants coordinately complete the real-time production of various types of thematic maps,which can enhance the understanding of the consultation content,make communication more convenient,and improve the quality of consultation.This article analyzes the application requirements of map collaborative plotting in consultation after a disaster or in urgent conditions,proposes the map collaborative plotting application of conference sponsor—participants mode,introduces the general framework of system integration and functional designing,achieves remote synchronous perception of graphic plotting information,designs the concurrent controlling process of cooperative editing the specified map object.This paper also analyzes the possibility of concurrent operation of the map elements plotting and deleting,attributes editing,the element's location modifying,and proposes the strategy of the system automatically awards,user consultation and authority of the arbitration to avoid conflict.The application of the system is described by taking Yushu Earthquake as an example.According to consultations of the remote experts,Ministry of Civil Affairs uses map collaborative plotting tools to draw the situation map of material scheduling,which achieves decision support.
引文
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[14]陈辉,曾青石,张鸣之,等.地质灾害远程会商及应急指挥系统建设初探[J].国土资源信息化,2005(4):21-23.
[15]周然,邹显东,张京战,等.基于图形的突发事件应急指挥辅助决策系统的设计策略[J].海峡科学,2008(3):17-18.
[2]民政部.自然灾害情况统计制度[G.]北京:民政部,2008.
[3]民政部.自然灾害救助条例[G.]北京:民政部,2010.
[4]浙江省应急平台体系协同会商辅助决策系统方案[J.]信息化建设,2007(2):58-59.
[5]袁正国,陆春信,胡庆荣,等.可视会商业务系统的设计与应用[J.]江西气象科技,2005,28(2):36-38.
[6]王慧玲,刘辉.基于互联网的安庆市防汛抗旱异地会商系统[J.]江淮水利科技,2009(2):28-30.
[7]程昌秀,周成虎,陆锋.协调GIS软件体系结构研究[J].地球信息科学,2004,6(1):28-31.
[8]张俊生,李庆华.地图协同标绘感知系统的设计与实现[J.]计算机应用,2004,24(6):174-178.
[9]刘海涛.GIS协同标绘技术研究[D.]济南:山东大学,2010.
[10]史美林,向勇,杨光信.计算机支持的协同工作理论与应用[M].北京:电子工业出版社,2000.
[11]肖波,张东,诸鸿文.计算机支持的协同工作并发控制策略[J.]上海交通大学学报,1999,33(1):101-103.
[12]高离,阎童,聂义勇.协同工作支撑技术研究[J.]小型微型计算机系统,2000,21(4):413-415.
[13]范泽孟,牛文元,顾基发.社会突发事件应急模型及控制模式的构建分析[J].中国软科学,2007(8):85-92.
[14]陈辉,曾青石,张鸣之,等.地质灾害远程会商及应急指挥系统建设初探[J].国土资源信息化,2005(4):21-23.
[15]周然,邹显东,张京战,等.基于图形的突发事件应急指挥辅助决策系统的设计策略[J].海峡科学,2008(3):17-18.
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